Summary statistics for pbtype dataset : by Jean Roth , jroth@nber.org , 18 Apr 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- state | 130 43 0 43 43 st_case | 130 430172.1 97.02838 430001 430333 veh_no | 130 0 0 0 0 per_no | 130 1.115385 .5078396 1 5 pbptype | 130 5.238462 .6446422 5 8 -------------+--------------------------------------------------------- pbage | 130 138.1 276.2243 3 999 pbsex | 130 1.207692 .4072246 1 2 pbcwalk | 130 0 0 0 0 pbswalk | 130 0 0 0 0 pbszone | 130 0 0 0 0 -------------+--------------------------------------------------------- pedctype | 130 276.6692 276.9436 0 890 bikectype | 130 70.4 217.4422 0 970 pedloc | 130 3.315385 1.628404 1 9 bikeloc | 130 6.492308 1.371053 1 7 pedpos | 130 12.63846 24.24296 1 77 -------------+--------------------------------------------------------- bikepos | 130 6.330769 1.889951 1 8 peddir | 130 7.330769 1.511652 2 9 bikedir | 130 6.292308 1.910583 1 7 motdir | 130 7.023077 2.211546 1 8 motman | 130 7.2 1.744982 1 8 -------------+--------------------------------------------------------- pedleg | 130 7 2.251614 1 8 pedsnr | 0 pedcgp | 130 256.7692 269.2229 0 990 bikecgp | 130 73.73077 228.0931 0 990 by Jean Roth , jroth@nber.org , 18 Apr 2016